Reason for Credential: Pursuant to ss. 145.15 (4), 145.165 and 145.175, Stats., no person may install, maintain or repair automatic fire sprinkler systems unless the person holds a credential issued by the department as a licensed automatic fire sprinkler contractor, a licensed journeyman sprinkler fitter, a registered automatic fire sprinkler system apprentice, a registered automatic fire sprinkler contractor-maintenance, or a registered automatic fire sprinkler fitter-maintenance. No credential is required if a person is repairing, replacing or maintaining electrical supervisory devices for existing automatic fire sprinkler systems. No person may conduct the annual activities relative to inspection and testing of an existing automatic fire sprinkler system and components as required by ch. Comm 14 unless the person holds a credential issued by the department as licensed.